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A Matlab-based Object-Oriented Approach to Multipath Fading Channel Simulation



21 Feb 2008 (Updated )

This white paper explains the algorithms used in the Communications Toobox's fading channel function

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Multipath fading channel simulators are essential components of wireless systems physical layer simulations. This white paper presents a MATLAB-based approach to multipath fading channel simulation.
Section II presents an overview of popular methodologies for the simulation of multipath fading channels. Two effects must be simulated: the time selectivity of the channel (Doppler spreading) due to motion, and the frequency selectivity (time spreading) due to resolvable multipath components. Simulation approaches are reviewed for both these tasks.

Section III presents an overview of the simulation methodology used in our channel simulator. The simulator employs an interpolated filtered Gaussian noise source to simulate the Doppler spreading, followed by a bandlimited channel transformation to efficiently simulate the multipath dispersion. Both Rayleigh and Rician processes can be generated, for a set of different Doppler spectra.

Section IV presents the application programming interface (API) of the Communications Toolbox's channel functions, along with channel object properties. Examples illustrate how to create channel objects, use them in a simulation, and visualize simulation quantities using the channel visualization tool.

Simulation examples are given in Section V. The statistical performance is evaluated in terms of the simulated fading processes' probability distributions, Doppler spectra and autocovariances.

Required Products Communications System Toolbox
Signal Processing Toolbox
MATLAB release MATLAB 7.5 (R2007b)
MATLAB Search Path
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Comments and Ratings (23)
29 Dec 2016 Deema Tashman

how to download it?? can anyone tell me please?

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13 Dec 2016 Ho Hoa

Ho Hoa (view profile)


I tried to use lteFadingChannel() function in MATLAB. But I don't understand the meaning of SEED and NTERM variables. Can you explain for me?

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22 Nov 2016 Niamen Parsa

Hello, How can I visualize the fading channel simulated using 'sum of sinusoid' ?

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04 Jul 2016 Xiyu Wang

11 May 2016 zhang yao

this file should be download from database IEEE exploded libraries ,then search “A Matlab-based Object-Oriented Approach to Multipath Fading Channel Simulation” key words

08 Mar 2016 aion

aion (view profile)

14 Jul 2015 Wei Lau

I wanna download it ,but how

20 Mar 2015 hui

hui (view profile)


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03 Mar 2015 abhinibesh


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21 Nov 2013 hongjiang lei

How can I dowload?

07 Oct 2013 gang

gang (view profile)

03 Oct 2013 hou

hou (view profile)


18 May 2012 Angel

Angel (view profile)

22 Jan 2012 mahmod

mahmod (view profile)

thanks alot

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14 Jun 2011 yang lin

how can I download

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21 Feb 2010 Guan Gui

01 Aug 2008 David Xiang


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08 Jul 2008 Tarakapraveen Uppalapati

Very good file and very useful for the beginner of the channel simulation using OOP.

06 Jun 2008 PP Zhu

07 Apr 2008 Solomon Uzoaru

I am yet to grab the whole stuff!

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20 Mar 2008 David Donovan

Exactly what I was looking for. I was wondering what was going on inside of rayleighchan() and friends!

06 Mar 2008 dd ddd


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28 Feb 2008 huzaifa kapasi

excellent reference ... many thanks

10 May 2016 1.0

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